ApplicationNo. 768340 filed on 02/14/1977
US Classes:416/142, WORKING MEMBER FOLDABLE, PIVOTABLE OR COLLAPSIBLE TO NON-USE POSITION366/308, Collapsible articulated stirrer366/328.1, Notched element366/328.3, Noncircular aperture366/330.1, Axially directing blade (e.g., propeller, helix section, etc.)416/231AMixers or agitators
ExaminersPrimary: Powell, Everette A. Jr.
Attorney, Agent or Firm
International ClassB01F 007/18
AbstractA stirring device employs a shaft-mounted hub with five axially nested, radially extendable fins shaped to not only provide compact nesting of five fins to enter a bung opening of a drum, but also to provide ample surface area when extended for stirring.